langchain-core
PyPIactive
langchain-core last released 1.6.12 on 2026-10-16. Its latest version requires Python <4.0.0,>=3.10.0.
Facts
- Latest release
- 1.6.12, (8 days ago)
- First published
- (2 years ago)
- Releases in the last 12 months
- 89
- Median days between releases
- 3
- Median days between major versions
- 646
- Monthly downloads
- 146,804,123
- License
- MIT
- Repository
- github.com/langchain-ai/langchain
- Homepage
- docs.langchain.com
- Source
- pypi.org (checked 2026-10-19)
Major versions
2 major versions have been published.
| Major | First version | First released | Latest version | Latest released |
|---|---|---|---|---|
| 1 | 1.0.0a1 | 2025-08-27 | 1.6.12 | 2026-10-16 |
| 0 | 0.0.1 | 2023-11-20 | 0.3.86 | 2026-05-07 |
Runtime requirements
The latest version of langchain-core declares these runtime constraints.
| Runtime | Constraint | Minimum version | Since version | Since |
|---|---|---|---|---|
| Python | <4.0.0,>=3.10.0 | 3.10.0 | 1.0.0 | 2025-10-17 |
Supported runtimes
The latest version of langchain-core runs on 6 tracked runtime releases.
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